Allen Bradley 1794-ACNR FLEX I/O ControlNet Redundant Media Adapter Module

FAQ

Q1: What is the 1794-ACNR?
A: It is an Allen-Bradley FLEX I/O ControlNet redundant media adapter module.

Q2: How many FLEX I/O modules can it support?
A: It can connect up to 8 FLEX I/O modules, providing up to 128 I/O points.

Q3: Does the 1794-ACNR support redundant ControlNet media?
A: Yes. It has two ControlNet BNC connectors, designated for redundant media operation.

Q4: What power supply does it require?
A: It uses a nominal 24V DC external power supply, with an allowable range of 19.2–31.2V DC.

Q5: What is the ControlNet communication speed?
A: The communication rate is 5 Mbps.

Q6: Can FLEX I/O modules be removed while the system is powered?
A: The adapter supports removal and insertion of FLEX I/O modules under backplane power.

Q7: What are the dimensions of the 1794-ACNR?
A: The mounting dimensions are approximately 87.4 × 94 × 92 mm.

Q8: Is 1794-ACNR still available from Rockwell Automation?
A: The original 1794-ACNR is a legacy product. The later 1794-ACNR15 Series D is the corresponding FLEX I/O ControlNet redundant-media adapter designation; Rockwell currently lists the ACNR15 as End of Life with a discontinuation date of October 31, 2026.

1794-ACNR Allen Bradley

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.